TLS Online TPP Program

#Question id: 12714


Physiological and biochemical perturbations in plants caused by fluctuations in the abiotic environment, given column I with environmental factor and with its effects in the form of primary effects  in column II and secondary effects  in column III

 

            COLUMN I 

      (environmental factor )

 

              COLUMN II

           (primary effects)

 

            COLUMN III

        (secondary effects)

 

A) Water deficit

 

 

i) Hypoxia,  Anoxia

 

a) Membrane dysfunction

 

B) High temperature

 

 

ii) ROS production

 

b) Reduced cellular and metabolic activities,

Leaf abscission,

Ion cytotoxicity and Cavitation

 

 

C) Trace element toxicity

 

 

iii) Photo inhibition

 

c) Reduced respiration,    

Fermentative metabolism,       Inadequate ATP production ,

 ROS production and

 Stomatal closure

 

D) Flooding and soil compaction

 

 

iv) Membrane destabilization

 

d) Inhibition of PSII repair

 

E) Chilling

 

v) Cell dehydration and Hydraulic resistance

 

e) Disruption of metabolism

 

F) High light intensity

 

 

 

f) Photosynthetic and respiratory inhibition, ROS production

 


Find out the correct combination of given above column;

#Unit 6. System Physiology – Plant
  1.  A-v-b-f ; B-iii-f ; C-ii-e ; D-iv-c ; E-i-a ; F-iii-d
  2. A-ii-c-f ; B-iv-d ; C-ii-e ; D-i-b ; E-iv-a ; F-iii-f
  3. A-v-f ; B-iv-b ; C-i-e-f  ; D-ii-c ; E-iv-d ; F-iii-a
  4. A-v-b-f ; B-iv-f ; C-ii-e ; D-i-c ; E-iv-a ; F-iii-d
More Questions
TLS Online TPP Program

#Question id: 24215

#Unit 1. Molecules and their Interaction Relevant to Biology

What are the target of AMP in the glycolysis and the gluconeogenesis in the same plane

TLS Online TPP Program

#Question id: 24214

#Unit 1. Molecules and their Interaction Relevant to Biology

Which molecule coordinately activate glycolysis and at the same time inhibit gluconeogenesis

TLS Online TPP Program

#Question id: 24213

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the incorrect statement

TLS Online TPP Program

#Question id: 24212

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct statement
a. Hexokinases IV remains sequesters in the nucleus in case of high F-6-P and high ATP
b. Hexokinases IV remains sequesters in the cytoplasm in case of high F-6-P and high ATP
c. Hexokinase requires Mg+2 for its activity, because the true substrate of the enzyme is not ATP4- but the MgATP2- complex.
d. Hexokinase requires Mg+2 for its activity, because the true substrate of the enzyme is MgATP4- but not the MgATP2- complex.

TLS Online TPP Program

#Question id: 24211

#Unit 1. Molecules and their Interaction Relevant to Biology

Plot of hexokinase IV (Glucokinase) is different While Hexokinases I, II, and III have similar kinetic properties. So, in given graph which of the following represents hexokinase IV and Hexokinases I, II, and III
a. i is representing Hexokinases IV
b. ii is representing Hexokinases I, II, and III
c. i is representing Hexokinases I, II, and III
d. ii is representing Hexokinases IV
Choose the correct option

TLS Online TPP Program

#Question id: 24210

#Unit 1. Molecules and their Interaction Relevant to Biology

The human genome encodes four different hexokinases (I to IV), all of which catalyze the same reaction. If Two or more enzymes that catalyze the same reaction but are encoded by different genes are called to be